document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=452181>Question 452181</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If the output variable y is 38 less than the input variable x, what is the input corresponding to an output value of 121?\r<BR>\n" );
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document.write( "I thought I was starting to understand this, I was wrong.\r<BR>\n" );
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document.write( "Thanks for your help!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #310827 by </B><A HREF=/tutors/aboutme.mpl?userid=Leaf+W.><B>Leaf W.(135)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Leaf+W.><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Leaf+W.><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=310827\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \"the output variable y is 38 less than the input variable x\"<BR>\n" );
document.write( "Therefore, y is 38 less than x. Since \"is\" is a signal word for \"equals,\" and 38 less than x is the same thing as x minus 38, you can express this as y = x - 38<BR>\n" );
document.write( "Next, since y is defined as the output, and the problem tells that the output value is 121, plug in 121 for y. <BR>\n" );
document.write( "121 = x - 38<BR>\n" );
document.write( "Since the problem asks for the input, which it also states to be x (\"the input variable x\"), solve for x to find the input by adding 38 to both sides.<BR>\n" );
document.write( "121 + 38 = x - 38 + 38<BR>\n" );
document.write( "Simplify by adding 121 and 38. -38 and 38 cancel each other out.<BR>\n" );
document.write( "159 = x<BR>\n" );
document.write( "==> Therefore, the input value, x, is 159 when the output value, y, is 121. </SPAN>\n" );
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